Head of Rapid Response Security Engineering

Horizon3; United States; Remote; USD 180,000 - 240,000; Full time

Job summary

Horizon3 seeks an experienced Senior Engineering Manager to lead the Rapid Response Attack Engineering team, steering vulnerability research and AI-driven automation to deliver cutting-edge offensive security products.

You will mentor engineers, set technical direction, and work closely with Product Management to create rapid, production-safe capabilities that keep ahead of emerging threats and CVEs.

Responsibilities

• Lead a diverse team of Attack Engineers across multiple seniority levels, ensuring career development and growth for each.
• Set technical direction, priorities, and quality standards for AI-native automation pipelines, vulnerability research and the Rapid Response product.
• Drive hiring and organizational scaling as the Rapid Response team expands.
• Foster a culture of continuous learning, raising the bar for offensive rigor, delivery quality, and secure software development practices.
• Lead daily triage, prioritization, and cross-functional coordination for breaking CVEs and zero-days, establishing high-velocity operational cadences.
• Drive the vision and engineering for AI-driven harnesses, LLM workflows, and automated pipelines to accelerate vulnerability discovery, patch diffing, and exploit PoC development.
• Partner with Product Management and field teams to bridge vulnerability research and product strategy, delivering a high-quality Rapid Response product continuously.
• Lead the analysis of real-world attack data, telemetry, and threat trends to prioritize high-value research targets and measure impact.

Job description

Horizon3 seeks an experienced Senior Engineering Manager to lead the Rapid Response Attack Engineering team, steering vulnerability research and AI-driven automation to deliver cutting-edge offensive security products.

You will mentor engineers, set technical direction, and work closely with Product Management to create rapid, production-safe capabilities that keep ahead of emerging threats and CVEs.